(19)
(11) EP 0 242 825 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.10.1989 Bulletin 1989/41

(43) Date of publication A2:
28.10.1987 Bulletin 1987/44

(21) Application number: 87105738.6

(22) Date of filing: 16.04.1987
(51) International Patent Classification (IPC)4G01F 1/42
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI NL SE

(30) Priority: 18.04.1986 JP 90628/86

(71) Applicant: Fujikin International, Inc.
Nishi-ku Osaka (JP)

(72) Inventors:
  • Sekoguchi, Kotohiko
    Sone-Higashimachi Toyonaka-shi (JP)
  • Sonoda, Yoshiteru
    Higashiyodogawa-ku Osaka-shi (JP)

(74) Representative: Paul, Dieter-Alfred, Dipl.-Ing. 
Fichtestrasse 18
41464 Neuss
41464 Neuss (DE)


(56) References cited: : 
   
       


    (54) Apparatus for interchanging orifice plates for orifice flowmeter


    (57) A closed orifice plate stowage disposed outside an orifice plate mount portion at an inter­mediate portion of a pipe channel has a communication opening on one side of the mount portion for passing an orifice plate therethrough and is in communication with the mount portion through the opening. A movable body housed in the plate stowage and movable in a direction parallel with the pipe channel has a plurality of orifice bins arranged in parallel with the pipe channel at a spacing. A device is provided for moving orifice plates one by one between the mount portion and the plate bins of the movable body through the opening.







    Search report